Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/49 from 27/20

1st number: 1 7/20, 2nd number: 9/49

27/20 - 9/49 is 1143/980.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 49 is 980
  2. For the 1st fraction, since 20 × 49 = 980,
    27/20 = 27 × 49/20 × 49 = 1323/980
  3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
    9/49 = 9 × 20/49 × 20 = 180/980
  4. Subtract the two fractions:
    1323/980 - 180/980 = 1323 - 180/980 = 1143/980
  5. In mixed form: 1163/980

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com